Configuring Outlook How To
Once you have an Autodiscover record set and propagated you are ready to create a new Outlook Profile.
Go to the Windows Control Panel and click Mail, then Show Profiles:
Click add and give the new profile a name and click Ok:
Put in your full name, email address and Password (the email address should be the same but make sure, if password has changed to use the updated one), then click Next:
As long as the Autodiscover has propagated, it should automatically detect the 365 settings and complete.
Make sure to set the new profile as the default and Apply then ok
Then launch outlook and let it run until all folders are up to date, you should see this at the bottom of Outlook.